CN107110497B - Overrich lean burn device - Google Patents
Overrich lean burn device Download PDFInfo
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- CN107110497B CN107110497B CN201580054722.8A CN201580054722A CN107110497B CN 107110497 B CN107110497 B CN 107110497B CN 201580054722 A CN201580054722 A CN 201580054722A CN 107110497 B CN107110497 B CN 107110497B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
- F23D14/04—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner
- F23D14/08—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner with axial outlets at the burner head
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/62—Mixing devices; Mixing tubes
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Gas Burners (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
Abstract
Overrich lean burn device of the invention includes the first plate and the second plate, is mutually equipped with oppositely, and Over-rich mixture body is flowed by the Over-rich mixture body channel between the first plate and the second plate；Third plate flows lean mixture gas by the lean mixture gas channel being formed between the third plate and second plate；First flame hole portion part, for making the Over-rich mixture volumetric combustion；And the second flame hole portion part, for making the Weak mixture volumetric combustion, wherein Over-rich mixture body channel includes: multiple first Over-rich mixture body channels, positioned at the top of the dispensing orifice, and is separated by preset space length；Second Over-rich mixture body channel, it is formed between the first Over-rich mixture body channel and the first flame hole portion part, the closure for blocking the flowing of mixed gas is formed in the two sides in the first Over-rich mixture body channel, in the closure, closing protruding portion is formed by the first plate and a part deformation and of the second plate for making writing board shape.
Description
Technical field
The present invention relates to a kind of overrich lean burn devices, more particularly to one kind to be performed simultaneously in adjacent pair flame hole
Overrich burning and lean burn and reduce NOxProduction quantity, at the same time can will burning needed for fuel and air equably supply
The overrich lean burn device in flame hole should be arrived.
Background technique
In general, the combustion system of gaseous fuel includes: pre-mixing combustion, it is pre-mixed by fuel gas and combustion air
It is supplied to combustion chamber later；Diffusion combustion supplies fuel and air respectively；Partly-premixed combination burning, use with pre-mixing combustion and
Diffusion combustion mode.
The partly-premixed combination burning refers to the burning carried out by means of this life (bunsen) burner, described raw combustion
Primary air as a part of supply air is pre-mixed with fuel and supplies by burner, and separately by SAS Secondary Air Supply
Part occurs to flame, to guide completely burned.In the combustion apparatus such as existing domestic gas boiler, because flame safety with
And the lower advantage of risk of back-fire phenomenon etc. occurs and mainly uses bunsen burner.
However, the structure of bunsen burner determines that the flame of burner is long, and flame temperature is high, moreover, also needs
The required air quantity that burns is more than the interference air of theoretical air requirement, therefore heat loss caused by high temperature exhaust gas and NOx、CO
Discharge rate it is more, so combustion apparatus efficiency maximize and public hazards substance reduction in terms of there are limitations.
As for reducing this NOxOne of the combustion method of production quantity and by it is known be exactly overrich-lean burn
(Rich-lean combustion)。
Overrich-lean burn evades the interference air ratio of the highest fuel of flame temperature and air in premixed combustor
For 1 condition, to form the relatively low overrich burning (fuel rich) of interference air and the relatively high thin combustion of interference air
It burns (fuel lean), to reduce flame temperature, reduces NO accordinglyxProduction quantity, at the same time by means of overrich burning cause
Flame and steadily maintain the dangerous phenomenon such as move swiftly of the flame that may occur when lean burn.
An example of the burner of this overrich-lean combustion mode is disclosed in Korean granted patent the 965277th.
However, burner disclosed in Korean granted patent the 965277th is respectively equipped with for supplying overrich mixing
The nozzle of gas and lean mixture gas, therefore component parts is more and structure is complicated, and be designed to be supplied by pressure fan
A part of air is supplied and being formed in the hole of partition, therefore there is a problem of the supply of air and non-constant.
Summary of the invention
Technical problem
The present invention is proposed to solve great number of issues as described above, and its purpose is to provide one kind can be only sharp
Over-rich mixture body and lean mixture gas are supplied respectively with a nozzle, and can equably supply the sky supplied by pressure fan
The overrich lean burn device of gas.
Prevent the generation on following part from leaking and can realize desired another object of the present invention is to provide a kind of
Mixed gas overrich lean burn device, the part be constitute burner body each plate be in contact with each other and close, from
And the part that the flowing of mixed gas is blocked.
Another object of the present invention is to provide a kind of to be combined by the plate for constituting burner body with flame hole portion part
When the overrich lean burn device of the spacing between component parts can be consistently maintained by means of simple structure.
Technical solution
In order to solve technical problem as described above, overrich lean burn device of the invention includes: the first plate 110 and
Two plates 120 are mutually equipped with oppositely, and Over-rich mixture body passes through the Over-rich mixture between the first plate 110 and the second plate 120
Body channel 173-1,173-2 and flow；Third plate 130, by being formed between the third plate 130 and second plate 120
Lean mixture gas channel 176 and make lean mixture gas flow；First flame hole portion part 140, for making the Over-rich mixture
Volumetric combustion；And the second flame hole portion part 150, for making the Weak mixture volumetric combustion, wherein first plate 110 and
Be formed between two plates 120: mixed gas inflow entrance 161, a part for importing in the air supplied by pressure fan 300 and
The fuel gas sprayed from nozzle 710；Mixed-gas channel introduction part 171 and mixed-gas channel diffusion part 172, lead to for making
It crosses the Over-rich mixture body that the mixed gas inflow entrance 161 flows into and flow to the Over-rich mixture body channel 173-1,173-
2；Air inflow aperture 162, the remainder for importing in the air supplied by the pressure fan 300；And air duct is led
Enter portion 174, for making the air flowing flowed by the air inflow aperture 162, wherein second plate 120 is formed with: more
A air hole 121, by through being formed in second plate 120 at being ejected into the air of the air duct introduction part 174
Air duct 175 between third plate 130；And multiple dispensing orifices 122, by through at making through the mixed-gas channel
A part of the mixed gas of diffusion part 172 is sprayed to lean mixture gas channel 176, Over-rich mixture body channel
173-1,173-2 include: multiple first Over-rich mixture body channel 173-1, positioned at the top of the dispensing orifice 122, and are separated by
Preset space length；Second Over-rich mixture body channel 173-2, be formed in the first Over-rich mixture body channel 173-1 with it is described
Between first flame hole portion part 140, it is formed in the two sides of the first Over-rich mixture body channel 173-1 for blocking gaseous mixture
The closure A of the flowing of body, in the closure A, by making the first plate 110 of writing board shape and a part of the second plate 120
It deforms and forms closing protruding portion 117,127.
The closing protruding portion 117,127 may include: closing protruding portion 117, be the one side from first plate 110
Shape outstanding；Protruding portion 127 is closed, is the closing for being inserted into the first plate 110 from the one side protrusion of second plate 120
Shape inside protruding portion 117.
First plate 110, the second plate 120 and the first flame hole portion part 140 can be formed as follows, by a thin plate
" ㄇ " shape is bent to, so that the flexure plane on top is formed through multiple first flames hole 141.
The air duct introduction part 174 can be formed as prolonging in the horizontal direction from the air inflow aperture 162 of side
Stretch and block the flowing of air in the other side, the air hole 121 along the air duct introduction part 174 length
Direction be separated by be formed it is multiple.
In the second flame hole portion part 150, a part of can be separated by of multiple flame orifice plates 152 and form the second flame hole
151, and include: multiple upper slots 153, it is contacted with the face recess of the third plate 130 and is formed；Multiple lower channels 154, from institute
Upper slot 153 is stated to be separated by downside, and canyon topography at,
In the third plate 130, top embossing 131 and lower part embossing 132 can be respectively formed as multiple, the top pressure
Line 131 is prominent to be formed to be inserted into the upper slot 153, and the lower part embossing 132 is prominent to be formed to be inserted into the lower channel
154, the second flame hole portion part 150 is located between second plate 120 and third plate 130, and by means of the upper slot
In conjunction with insertion in conjunction with 153 insertion between top embossing 131 and between the lower channel 154 and lower part embossing 132 and
It is fixed.
The upper slot 153 is by open upwards and closed shape is formed downwards, and the lower channel 154 is by upwards
It closes and shape open downwards is formed.
The third plate 130 is formed with recessed portion 133, the recessed portion at the position for corresponding to the dispensing orifice 122
133 form in a manner of towards 122 direction of dispensing orifice recess.
The third plate 130 the lower part of the recessed portion 133 be formed at least one dispersion embossing, it is described at least one
Dispersion embossing is for dispersing the air sprayed by the air hole 121 in the horizontal direction.
Beneficial effect
Overrich lean burn device according to the present invention realizes overrich using the fuel gas by the supply of a nozzle
Burning and lean burn, therefore the quantity of component parts can be reduced.
Also, in the first plate and the second plate, the shape on the part of flowing for blocking mixed gas and being in contact with each other
Change shape at protruding portion, realizes desired mixed gas so as to prevent the leakage of mixed gas.
Also, the first plate, the second plate and the first flame hole portion part is integrally formed and the plate benging by a connection, from
And it can simplify manufacturing process and reduce manufacturing cost.
Also, by forming the knot by slot and embossing between the multiple plates and flame hole portion part for constituting burner body
It closes, so as to be combined into the constant gap made between component parts using simple constitute.
Also, by forming recessed portion and dispersion embossing in third plate, the uniform mixing of mixed gas may be implemented.
Detailed description of the invention
Fig. 1 is the perspective view for indicating the bonding state of burner of the invention.
Fig. 2 is the perspective view for indicating the decomposing state of burner of Fig. 1.
Fig. 3 is the vertical of the state that burner assembly and gas nozzle assembly decompose in burner shown in expression Fig. 1
Body figure.
Fig. 4 is the vertical of state of the burner assembly in conjunction with gas nozzle assembly in burner shown in expression Fig. 1
Body figure.
Fig. 5 is the perspective view for indicating burner body of the invention.
Fig. 6 is the perspective view for indicating the decomposing state of burner body shown in Fig. 5.
(a) and (b) of Fig. 7 is the cross-sectional view of the A-A' and B-B' of Fig. 5.
Fig. 8 is to indicate shown in Fig. 1 fuel gas and air in burner are flowed into burner body and flow process
Figure.
Fig. 9 is the figure for showing the vertical section structure in the state of the first plate and the contact of the second plate.
Figure 10 is the figure for showing the cross section structure in the state of the first plate and the contact of the second plate.
(a) and (b) of Figure 11 be the first flame hole portion part in burner shown in Fig. 1 is shown, the second flame hole portion part is incorporated into
The perspective view of the state of first plate, the second plate, third plate and show the second flame hole portion part decomposing state perspective view.
Figure 12 is the figure for indicating the flowing of air in space of the flowing between the second plate and third plate.
Symbol description
1: burner 100: burner body
110: the first plates 115: channel flat part
116,126: flat part 117,127: closing protruding portion
125: 120: the second plate of channel protruding portion
121: air hole 122: dispensing orifice
130: 140: the first flame hole portion part of third plate
150: the second flame hole portion parts 161: mixed gas inflow entrance
162: air inflow aperture 171: mixed-gas channel introduction part
172: mixed-gas channel diffusion part 173-1,173-2: Over-rich mixture body channel
174: air duct introduction part 175: air duct
176: lean mixture gas channel 200: burner assembly
210: burner case 211: first inlet hole
212: second inlet hole 213: side plate
214: bottom plate 220: burner lid
300: pressure fan 400: heat exchanger assembly
500: combustion chamber main body 600: lid assembly
700: gas nozzle assembly 710: nozzle
Specific embodiment
Hereinafter, the construction and effect of preferred embodiment in accordance with the present invention are described in detail with reference to attached drawing.
Fig. 1 is the perspective view for indicating the bonding state of burner of the invention, and Fig. 2 is to indicate burner shown in Fig. 1
Decomposing state perspective view, Fig. 3 is that burner assembly and gas nozzle assembly decompose in the burner for indicate Fig. 1
The perspective view of state, Fig. 4 are to indicate state of the burner assembly in conjunction with gas nozzle assembly in burner shown in Fig. 1
Perspective view.
Burner 1 of the invention includes: multiple burner bodies 100；Burner assembly 200, by for described
The burner case 210 and burner lid 220 of the front and back support burner body 100 of burner body 100 are constituted；It send
Blower 300, for combustion air to be supplied to the burner body 100；Heat exchanger assembly 400 is provided to described
The top of burner assembly 200 and pass through the burning gases that burning generates for realizing in the burner body 100
Heat exchange；Combustion chamber main body 500, inside contain the burner assembly 200, and bottom surface is combined with the pressure fan 300, and
The combustion space for burning is provided in the upside space of the burner assembly 200；Lid assembly 600, is incorporated into
The one side of the opening of the combustion chamber main body 500；Gas nozzle assembly 700, equipped with for fuel gas to be supplied to
The nozzle 710 of the burner body 100, and it is incorporated into the downside of the lid assembly 600.
Multiple burner bodies 100 are adjacent to outfit, and upper end is equipped with flame hole portion part 140,150 (Fig. 5), institute
Flame hole portion part 140,150 is stated to generate for making the mixed gas burning flowed in the inner space of the burner body 100
Flame.
The cross sectional shape of the burner case 210 substantially erect it is curved (Word) shape, and by being used to support the burning
The side plate 213 of the front side edge of device main body 100 and the bottom plate 214 for the lower end for being used to support burner body 100 are constituted, institute
State burner lid 220 for make the rear side edge of the burner body 100 in conjunction with and be supported.
The side plate 213 is formed with: first inlet hole 211 is formed in the mixed gas stream with the burner body 100
The corresponding position of entrance 161, and be separated by along horizontal direction and formed it is multiple so that the fuel gas sprayed by nozzle 710 with
The a part for the air supplied by pressure fan 300 is mixed and is flowed into；Second inlet hole 212 is formed in and the burner body
The 100 corresponding position of air inflow aperture 162, and be separated by along horizontal direction and formed it is multiple, so as to be supplied by pressure fan 300
Air remainder flow into.
The gas nozzle assembly 700 is to cover the first inlet hole 211 and second inlet hole 212 of the side plate 213
Mode arrange that and the nozzle 710 of quantity identical as the multiple first inlet hole 211 is separated by outfit along horizontal direction.
The pressure fan 300 is incorporated into the bottom surface of the combustion chamber main body 500, and the air supplied from pressure fan 300 passes through
Pressure fan outlet 310 and be flowed into the lower side space of 210 bottom surface of burner case of burner assembly 200.
Fig. 5 is the perspective view for indicating burner body of the invention, and Fig. 6 is the decomposition for indicating burner body shown in Fig. 5
The perspective view of state, (a) and (b) of Fig. 7 are the cross-sectional view of the A-A' and B-B' of Fig. 5, and Fig. 8 is to indicate burner shown in Fig. 1
Middle fuel gas and air are flowed into burner body and the figure of process that flows, and Fig. 9 is to show the first plate and the contact of the second plate
In the state of vertical section structure figure, Figure 10 be show the first plate and the second plate contact in the state of cross section structure
Figure, (a) and (b) of Figure 11 to show the first flame hole portion part in burner shown in Fig. 1, the second flame hole portion part is incorporated into first
Plate, the second edition, the state of third plate perspective view and show the second flame hole portion part decomposing state perspective view, Figure 12 is table
Show the figure for flowing the flowing of air in the space between the second plate and third plate.Hereinafter, illustrating this hair with reference to Fig. 5 to Figure 12
The construction of bright burner body and the flow path of mixed gas.
Burner body 100 includes the first plate 110 and the second plate 120, is mutually equipped with oppositely, and passes through the first plate 110
Space between the second plate 120 and flow Over-rich mixture body；Third plate 130 makes lean mixture gas pass through the third
Space between plate 130 and second plate 120 and flow；First flame hole portion part 140, for firing the Over-rich mixture body
It burns；Second flame hole portion part 150, for making the Weak mixture volumetric combustion.
First plate 110 and the second plate 120 molding thin plate as follows: mixed gas and air are flowed
Channel part is formed in a manner of prominent towards lateral direction and do not contact each other, and mixed gas and air and immobilising part
Be able to by being in contact with each other it is closed in a manner of form.The edge of first plate 110 and the second plate 120 be combined with each other, and
In upper end, the first flame hole portion part 140 is integrally formed with first plate 110 and the second plate 120.
That is, as shown in Fig. 7 (b), the first plate 110, the second plate 120 and the first flame hole portion part 140 are by a thin plate of connection
Flexure plane with the bending of " ㄇ " shape above is formed through multiple first flames hole 141, and for the edge of side and lower part
In addition to the rest part of mixed gas inflow entrance 161 and air inflow aperture 162 in position, make the first plate 110 and the second plate 120
The face bonding that connects and close.
As set forth above, it is possible to which the first plate 110, the second plate 120 and first is integrally formed using the thin plate of a connection
Flame hole portion part 140 makes manufacturing process become simple accordingly and reduces manufacturing cost.
The channel for being formed between first plate 110 and the second plate 120 and flowing Over-rich mixture body includes: to mix
Gas inflow entrance 161, for flowing the fuel gas sprayed by nozzle 710 and a part for the air supplied by pressure fan 300
Enter；Mixed-gas channel introduction part 171, extends along horizontal direction, so as to flowed by the mixed gas inflow entrance 161
The flowing of Over-rich mixture body；Mixed-gas channel diffusion part 172 extends upwards from the mixed-gas channel introduction part 171,
And sectional area broadens with top is tended to；Over-rich mixture body channel 173-1,173-2 expand towards the mixed-gas channel
The upside for dissipating portion 172 extends, and Over-rich mixture body is supplied to the first flame hole portion part 140.
Pass through multiple dispensing orifices by a part in the Over-rich mixture body of the mixed-gas channel diffusion part 172
122 and be ejected into the space between the second plate 120 and third plate 130, the multiple dispensing orifice 122 is along second plate 120
Width direction predetermined distance and formed.
Also, the channel for being formed between second plate 120 and third plate 130 and being used to form lean mixture gas is wrapped
Include: air inflow aperture 162 is formed in the downside of the mixed gas inflow entrance 161 and is used to make to be supplied by the pressure fan 300
Air remainder flow into；Air duct introduction part 174, extends along horizontal direction, so as to be flowed by the air
The air flowing that mouth 162 flows into；Multiple air holes 121 run through shape along the length direction of the air duct introduction part 174
Second plate 120 described in Cheng Yu, with flow into the air of the air duct introduction part 174 be ejected into second plate 120 with
Space between third plate 130；Air duct 175 is formed as the space between second plate 120 and third plate 130
Flow the air sprayed by the air hole 121 upwards；Lean mixture gas channel 176, it is logical towards the air
The upside in road 175 extends, for lean mixture gas to be supplied to the second flame hole portion part 150.
If if by constructing the flow path for observing fuel gas and air in the burner constituted as described above such as
Under: the space of 210 lower part of burner case is flowed by the air that pressure fan 300 is supplied, then towards the mixed gas stream
Entrance 161 and air inflow aperture 162 and flowed along horizontal direction, then flowed by mixed gas inflow entrance 161 and air
Mouthfuls 162 and dispersed and be flowed into inside burner body 100, the fuel gas sprayed by nozzle 710 with by described mixed
The air mixing that gas inflow entrance 161 flows into is closed, and is successively expanded by mixed-gas channel introduction part 171, mixed-gas channel
Portion 172, the first Over-rich mixture body channel 173-1, the second Over-rich mixture body channel 173-2 are dissipated, the first flame hole is then passed through
It sprays and realizes that overrich burns in first flame hole 141 of component 140.
Moreover, passing through air hole by the air that the air inflow aperture 162 is flowed into air duct introduction part 174
121 and spray, and by air duct 175 flow, by the air duct 175 flow air with pass through it is the multiple
The mixed gas that dispensing orifice 122 sprays mixes, and the lean mixture gas so generated passes through the second of the second flame hole portion part 150
It sprays and realizes lean burn in flame hole 151.
In addition, mixed gas distribution of the flowing between the first plate 110 and the second plate 120 is to Over-rich mixture body channel
The ratio in 173-1,173-2 and lean mixture gas channel 176 is very important factor for the determination of combustibility,
The sectional area in the channel that therefore mixed gas is flowed corresponds to the allocation proportion of mixed gas and is set.
But it if is closed in the face toward each other of the first plate 110 and the second plate 120 without generating mixed gas
, then there is Over-rich mixture body or lean mixture gas not with the mixing of setting in the leakage that mixed gas is generated on the part of flowing
The ratio of gas is supplied to the problem of the first flame hole portion part 140 or the second flame hole portion part 150.
Therefore, the part that the face toward each other of the first plate 110 and the second plate 120 is closed is needed for preventing gaseous mixture
The structure of the leakage of body.
For this purpose, in the present invention in order to make by be located at dispensing orifice 122 top Over-rich mixture body channel 173-1,
173-2 and lean mixture gas channel 176 and the ratio of mixed gas distributed is achieved with the ratio set, make the first plate
110 and second the part toward each other of plate 120 alternately form closure A and channel forming portion B, and in the closure A
It forms closing protruding portion 117,127 and prevents mixed gas from passing through the first plate 110 and the contact of the second plate 120 in closure A
It is leaked between face.
The closing protruding portion 117,127 is such a component: by the flat of the first plate 110 and the second plate 120
Portion 116,126 applies deformation and makes its protrusion, and to be inserted into the second plate 120 inside the closing protruding portion 117 of the first plate 110
The shape of closing protruding portion 127 deforms thin plate.
If making face be in contact with each other in closure A, generates gap and mixed gas may be generated between the gap
Leakage, however by the present invention in that the thin plate of the closure A deform, it prevents from forming the gap for making mixed gas leakage accordingly.
The channel forming portion B includes: channel flat part 115, which is a part of the first plate 110
It and is undeformed writing board shape；Channel protruding portion 125 keeps the second plate 120 prominent to be formed between channel flat part 115
First Over-rich mixture body channel 173-1.
As described above, the present invention is without using 2 nozzles, it is only necessary to overrich can be achieved at the same time using a nozzle 710
Burning and lean burn, therefore can simplify the structure of burner.
Also, for the prior art, it is designed to a part for the air supplied by pressure fan by being formed in partition
The hole of (burner case corresponding to the application) and supplied upwards, in the case, in order to which air is equably supplied
It should be needed to multiple burner bodies or even if also for front and back is uniformly supplied in a burner body
By each hole be sized and dimensioned to it is different, however one by one setting be formed in partition entire area institute porose size when
There are very big difficulties.
The application is reviewed, is expanded by the air of 310 supply of pressure fan outlet along the space of 210 lower part of burner case
It dissipates, air duct introduction part 174, the air of the air duct introduction part 174 is then flowed by air inflow aperture 162
Be ejected into air duct 175 by air hole 121, thus in air inflow aperture 162 and air hole 121 air it is logical
It is excessively limited, so as to which air to be uniformly supplied to multiple burner bodies 100 respectively, and is led along air duct
Enter the length direction in portion 174 and become uniformly by the air capacity that multiple air holes 121 are sprayed, therefore can be to the second flame hole
The front and back of component 150 equably supplies air.In the case, as long as adjusting the size of an air inflow aperture 162
The adjusting of amount of supplied air can be realized, therefore ease of design can be improved.
And it is possible to be formed as prominent form and a part to closure A applies deformation, make overrich accordingly
Mixed gas and lean mixture gas are supplied to the first flame hole portion part 140 and the second flame hole portion in the ratio of the mixed gas of setting
Part 150 so as to by flameholding, and reduces the discharge of harmful substance.
In addition, due to according to being supplied to the first flame hole portion part 140 for carrying out overrich burning and carry out the of lean burn
The ratio between mixed gas of two flame hole portion parts 150 is that the degree of 2:8 or so supplies more gaseous mixture to the second flame hole portion part 150
Body, therefore the flame for being formed in the flame hole face of the second flame hole portion part 150 is also formed than being formed in the flame of the first flame hole portion part 140
It obtains bigger.
With reference to Fig. 6 and Fig. 7, corresponds at the position of the dispensing orifice 122 in third plate 130 and is formed with recessed portion 133,
The recessed portion 133 is towards the 122 direction canyon topography of dispensing orifice at therefore the spacing between the second plate 120 and third plate 130 exists
The part for being formed with the dispensing orifice 122 becomes narrow.
If the spacing between the second plate 120 and third plate 130 broadens, it is supplied to the mixing of the second flame hole portion part 150
Gas will be biased to 130 side of third plate, make between the second plate 120 and third plate 130 when being formed as described above recessed portion 133
Spacing when narrowing, mixed gas will be uniformly supplied to the second flame hole portion part 150.
Moreover, the second flame hole portion part 150 is formed with reference to Figure 11: the second flame hole 151, by one of multiple flame orifice plates 152
Divide and is separated by and is formed；Multiple upper slots 153, the face 150a canyon topography for being contacted with third plate 130 at；Multiple lower channels
154, be separated by from the upper slot 153 to downside and canyon topography at.In the third plate 130, it is respectively formed with multiple tops
Embossing 131 and lower part embossing 132, the top embossing 131 is prominent to be formed to be inserted into the upper slot 153, the lower part pressure
Line 132 is prominent to be formed to be inserted into the lower channel 154.
The upper slot 153 is the shape of top opening and closed downwards, and the lower channel 154 is top closing and lower section
Open shape.
The second flame hole portion part 150 is located between second plate 120 and third plate 130, so that top be made to emboss
131 are inserted into the upper slot 153, and lower part embossing 132 is made to be inserted into the lower channel 154, to make the second flame hole portion part
150 secure bonds are between the second plate 120 and third plate 130.In the case, upper slot 153 opens and lower channel upwards
154 open downwards, therefore assembling can be made to become easy.
Based on construction as described above, can make by means of simply constructing the second flame hole portion part 150 and the second plate 120 and
Third plate 130 combines, therefore can save manufacturing cost, and can consistently maintain the second flame hole portion part 150 and the second plate 120 and the
Spacing between three plates 130.
In addition, in third plate 130, being formed in the lower part of the recessed portion 133 towards the second plate with reference to Fig. 6, Fig. 7, Figure 11
120 direction canyon topographies at first dispersion embossing 134 and second dispersion embossing 135.
Then, the air sprayed by the air hole 121 can be by means of the first dispersion embossing 134 and second point
It dissipates embossing 135 and disperses along horizontal direction, then flowed upwards by air duct 175, therefore can be by predetermined ratio
Example is uniformly mixed with the mixed gas flowed by dispensing orifice 122.
As described above, however the invention is not limited to embodiments as described above, are not departing from claims
In claimed the application technical idea under the premise of, in the technical field belonging to the present invention with basic knowledge people
Obvious deformation implementation can be achieved in member, that deformation implementation belongs in the scope of the present invention.
Claims (8)
1. a kind of overrich lean burn device, comprising:
First plate (110) and the second plate (120) are mutually equipped with oppositely, and Over-rich mixture body passes through the first plate (110) and the
Over-rich mixture body channel (173-1,173-2) between two plates (120) and flow；
Third plate (130), and the described second hardened conjunction, and make lean mixture gas by be formed in the third plate (130) with
Lean mixture gas channel (176) between second plate (120) and flow；
First flame hole portion part (140), for making the Over-rich mixture volumetric combustion；And
Second flame hole portion part (150), for making the Weak mixture volumetric combustion,
Wherein, it is formed between first plate (110) and the second plate (120):
Mixed gas inflow entrance (161), portion of air for importing in the air supplied by pressure fan (300) and from nozzle
(710) fuel gas sprayed；
Mixed-gas channel introduction part (171) and mixed-gas channel diffusion part (172), for making through the mixed gas stream
The Over-rich mixture body that entrance (161) flows into flow to Over-rich mixture body channel (173-1,173-2)；
Air inflow aperture (162), the remainder air for importing in the air by the pressure fan (300) supply；And
Air duct introduction part (174), for making the air flowing flowed by the air inflow aperture (162),
Wherein, second plate (120) is formed with:
Multiple air holes (121), by through at make the air of the air duct introduction part (174) be ejected into be formed in it is described
Air duct (175) between second plate (120) and third plate (130)；And
Multiple dispensing orifices (122), by through at one of the mixed gas made through the mixed-gas channel diffusion part (172)
Divide and sprayed to lean mixture gas channel (176),
Over-rich mixture body channel (173-1,173-2) includes:
Multiple first Over-rich mixture body channels (173-1), are located at the top of the dispensing orifice (122), and are separated by preset space length；
Second Over-rich mixture body channel (173-2) is formed in the first Over-rich mixture body channel (173-1) and described the
Between one flame hole portion part (140),
Closure (A) is alternately formed in the part toward each other of first plate (110) and second plate (120) and is led to
Road forming portion (B), the closure (A) prevent Over-rich mixture body from contacting in first plate (110) with the second plate (120)
It is leaked between face, the channel forming portion (B) flows the Over-rich mixture body, at the closure (A), by making plate
A part of the first plate (110) of shape and the second plate (120) to same direction deform and formed closing protruding portion (117,
127)。
2. overrich lean burn device as described in claim 1, which is characterized in that
The closing protruding portion (117,127) includes:
It closes protruding portion (117), there is the one side shape outstanding from first plate (110)；
It closes protruding portion (127), there is the envelope for being inserted into the first plate (110) from the one side protrusion of second plate (120)
Close the internal shape of protruding portion (117).
3. overrich lean burn device as described in claim 1, which is characterized in that
First plate (110), the second plate (120) and the first flame hole portion part (140) are formed as follows: a thin plate is curved
Song is at " ㄇ " shape, and the flexure plane on top is formed through multiple first flames hole (141).
4. overrich lean burn device as described in claim 1, which is characterized in that air duct introduction part (174) shape
Flowing horizontally extending as the air inflow aperture (162) from side and in other side closure air, the sky
Vent hole (121) is separated by along the length direction of the air duct introduction part (174) and is formed multiple.
5. overrich lean burn device as described in claim 1, which is characterized in that
In the second flame hole portion part (150), a part of multiple flame orifice plates (152) is separated by and forms the second flame hole
(151), and include: multiple upper slots (153), be contacted with the face recess of the third plate (130) and formed；Multiple lower channels
(154), it is separated by from the upper slot (153) to downside, and is recessed and is formed,
Third plate (130) the middle and upper part embossing (131) and lower part embossing (132) are respectively formed as multiple, the top embossing
(131) prominent to be formed to be inserted into the upper slot (153), the lower part embossing (132) is prominent formed be inserted into it is described under
Portion's slot (154),
The second flame hole portion part (150) is located between second plate (120) and third plate (130), and by means of described
In conjunction with insertion between upper slot (153) and top embossing (131) and the lower channel (154) and lower part embossing (132) it
Between insertion in conjunction with and fixed.
6. overrich lean burn device as claimed in claim 5, which is characterized in that the upper slot (153) is opened by top
And the shape of closed downwards is formed, the lower channel (154) by closing and shape open downwards is formed upwards.
7. overrich lean burn device as claimed in claim 4, which is characterized in that the third plate (130) is corresponding to institute
It states and is formed at the position of dispensing orifice (122) recessed portion (133), the recessed portion (133) is with towards the dispensing orifice (122) direction
The mode of recess is formed.
8. overrich lean burn device as claimed in claim 7, which is characterized in that the third plate (130) is in the recess
The lower part in portion (133) is formed at least one dispersion embossing, at least one described dispersion embossing is logical by the air for making
The air of hole (121) injection disperses in the horizontal direction.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020140165411A KR101562253B1 (en) | 2014-11-25 | 2014-11-25 | Lean rich combustion apparatus |
| KR10-2014-0165411 | 2014-11-25 | ||
| PCT/KR2015/012661 WO2016085237A1 (en) | 2014-11-25 | 2015-11-24 | Rich lean combustion apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107110497A CN107110497A (en) | 2017-08-29 |
| CN107110497B true CN107110497B (en) | 2019-06-04 |
Family
ID=54427018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580054722.8A Active CN107110497B (en) | 2014-11-25 | 2015-11-24 | Overrich lean burn device |
Country Status (4)
| Country | Link |
|---|---|
| KR (1) | KR101562253B1 (en) |
| CN (1) | CN107110497B (en) |
| AU (1) | AU2015354930B2 (en) |
| WO (1) | WO2016085237A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6765634B2 (en) * | 2016-09-26 | 2020-10-07 | 株式会社ノーリツ | Burner device |
| KR101944666B1 (en) * | 2018-04-18 | 2019-01-31 | 황기진 | Gas burner for kitichen and manufacturing method thereof |
| CN113510116B (en) * | 2021-04-22 | 2022-09-02 | 安徽捷泰智能科技有限公司 | Look selects quick-witted dust removal chute |
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|---|---|---|---|---|
| JP2000179810A (en) * | 1998-12-09 | 2000-06-27 | Dainichi Co Ltd | Forced combustor |
| JP2002071109A (en) * | 2000-08-28 | 2002-03-08 | Noritz Corp | Gas combustion device |
| CN201436472U (en) * | 2009-05-25 | 2010-04-07 | 海尔集团公司 | Fire platoon sheets, burner and gas water heater using same |
| CN201935215U (en) * | 2011-01-19 | 2011-08-17 | 王景龙 | Biomass energy mixed fuel igniter |
| CN102809155A (en) * | 2011-05-30 | 2012-12-05 | 株式会社能率 | Rich-lean combustion burner |
| CN103185339A (en) * | 2011-12-28 | 2013-07-03 | 株式会社能率 | Rich-lean combustion burner and combustion apparatus |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2930858B2 (en) * | 1994-03-31 | 1999-08-09 | 大阪瓦斯株式会社 | Combustion equipment |
| JP2001241617A (en) | 2000-02-28 | 2001-09-07 | Noritz Corp | Combustion equipment |
| JP2003269705A (en) * | 2002-03-14 | 2003-09-25 | Noritz Corp | Combustion device |
| JP2011191037A (en) * | 2010-03-16 | 2011-09-29 | Chofu Seisakusho Co Ltd | LOW NOx BURNER AND GAS WATER HEATER USING THE SAME |
| JP5668974B2 (en) | 2010-12-24 | 2015-02-12 | 株式会社ノーリツ | Concentration burner |
-
2014
- 2014-11-25 KR KR1020140165411A patent/KR101562253B1/en active IP Right Grant
-
2015
- 2015-11-24 CN CN201580054722.8A patent/CN107110497B/en active Active
- 2015-11-24 WO PCT/KR2015/012661 patent/WO2016085237A1/en active Application Filing
- 2015-11-24 AU AU2015354930A patent/AU2015354930B2/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000179810A (en) * | 1998-12-09 | 2000-06-27 | Dainichi Co Ltd | Forced combustor |
| JP2002071109A (en) * | 2000-08-28 | 2002-03-08 | Noritz Corp | Gas combustion device |
| CN201436472U (en) * | 2009-05-25 | 2010-04-07 | 海尔集团公司 | Fire platoon sheets, burner and gas water heater using same |
| CN201935215U (en) * | 2011-01-19 | 2011-08-17 | 王景龙 | Biomass energy mixed fuel igniter |
| CN102809155A (en) * | 2011-05-30 | 2012-12-05 | 株式会社能率 | Rich-lean combustion burner |
| CN103185339A (en) * | 2011-12-28 | 2013-07-03 | 株式会社能率 | Rich-lean combustion burner and combustion apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107110497A (en) | 2017-08-29 |
| WO2016085237A1 (en) | 2016-06-02 |
| KR101562253B1 (en) | 2015-10-22 |
| AU2015354930B2 (en) | 2018-11-15 |
| AU2015354930A1 (en) | 2017-06-15 |
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